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Finding the Fourth Proportional to 3,186.04, 4,779.04 and 1,798.74

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Solution

The fourth proportional to 3,186.04, 4,779.04 and 1,798.74 is: 2,698.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,186.04 : 4,779.04 = 1,798.74 : x
  2. Step 2: Convert to fraction form
    3,186.04/4,779.04 = 1,798.74/x
  3. Step 3: Cross multiply
    3,186.04x = 4,779.04 × 1,798.74
  4. Step 4: Simplify right side
    3,186.04x = 8,596,250.41
  5. Step 5: Solve for x
    x = 8,596,250.41/3,186.04
  6. Step 6: Final answer
    x = 2,698.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.